Nowadays, the folks at Sonic Channel and IDW are doing an amazing job. The collabs have been amazing too. I get my fill of offical drawn sonic from these and i love all of it. I'd like to see this approach in a mainline game soon.
Growing up, i personally looked forwards to the art direction of the next Sonic game. Seeing different artists their styles take the stage for this familiar character was awesome to me. I don't see much of that in the games that often anymore, not even spinoffs.